JPH0350491U - - Google Patents
Info
- Publication number
- JPH0350491U JPH0350491U JP6554690U JP6554690U JPH0350491U JP H0350491 U JPH0350491 U JP H0350491U JP 6554690 U JP6554690 U JP 6554690U JP 6554690 U JP6554690 U JP 6554690U JP H0350491 U JPH0350491 U JP H0350491U
- Authority
- JP
- Japan
- Prior art keywords
- piece
- blackboard
- periphery
- frame
- mounting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990065546U JPH0440955Y2 (cs) | 1990-06-22 | 1990-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990065546U JPH0440955Y2 (cs) | 1990-06-22 | 1990-06-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0350491U true JPH0350491U (cs) | 1991-05-16 |
| JPH0440955Y2 JPH0440955Y2 (cs) | 1992-09-25 |
Family
ID=31597471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990065546U Expired JPH0440955Y2 (cs) | 1990-06-22 | 1990-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440955Y2 (cs) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS508667U (cs) * | 1973-05-23 | 1975-01-29 | ||
| JPS5535179U (cs) * | 1978-08-30 | 1980-03-06 |
-
1990
- 1990-06-22 JP JP1990065546U patent/JPH0440955Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS508667U (cs) * | 1973-05-23 | 1975-01-29 | ||
| JPS5535179U (cs) * | 1978-08-30 | 1980-03-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0440955Y2 (cs) | 1992-09-25 |